CVE-2015-7576

CVE-2015-7576 describes a timing attack vulnerability in the Basic Authentication implementation of Ruby on Rails, affecting versions before 3.2.22.1, 4.1.14.1, 4.2.5.1, and 5.0.0.beta1.1. The http_basic_authenticate_with method failed to use a constant-time algorithm for credential verification, allowing attackers to deduce valid credentials by measuring response times. This vulnerability has a CVSS score of 3.7 (LOW), indicating a network-based attack with high complexity, but only a potential for limited confidentiality impact. There is no impact on integrity or availability. Currently, there is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, suggesting low public awareness and attention.